Driving modes
6.4 Main boom, removing/installing
6 - 30 3 112 xxx en Operating Manual GMK6300L
xx.xx.xxxx
6.4.6 Connecting/disconnecting the derricking cylinder from the
boom
The derricking cylinder head axle is retracted and fitted with a pulling
device.
Derricking
cylinder support
Before retracting the head pin, the derricking cylinder support must be
erected.
• Place the derricking cylinder support (1)
between the holders (2).
• Set down the main boom on the boom rest.
Operating the
lifting device
A lifting device is needed in order to relieve and level the derricking cylinder.
• Attach the lever in the holder (2).
(A) – Raise
• Close the drain plug (1) and pump the lever.
The piston rod (3) extends.
(B) – Lower
• Slowly open the drain plug (1).
The piston rod (3) retracts.
S
Danger from using unsuitable lifting device!
Have the lifting device serviced in time before the maintenance interval
specified on the label expires.
To Next Page
Loading...
Need help?
General
